Noninvasive medical monitoring instrument using surface emitting laser devices
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
Mar 6, 1996
filing date -
Mar 6, 1996
priority date (Note) -
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Abstract
A medical monitoring instrument such as a pulse oximeter uses vertical cavity surface emitting laser diodes (VCSELs) to produce at least two high intensity, essentially monochromatic light beams. The VCSELs are located either in: (1) the probe itself, (2) the connector to the probe, or (3) the monitor box connected with an optical fiber to the probe.
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